131983920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:340

約数の個数: 240

約数和(自身を含む): 482594112

約数和(自身を除く): 350610192

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 41, 45, 48, 51, 60, 68, 72, 80, 82, 85, 90, 102, 120, 123, 136, 144, 153, 164, 170, 180, 204, 205, 240, 246, 255, 263, 272, 306, 328, 340, 360, 369, 408, 410, 492, 510, 526, 612, 615, 656, 680, 697, 720, 738, 765, 789, 816, 820, 984, 1020, 1052, 1224, 1230, 1315, 1360, 1394, 1476, 1530, 1578, 1640, 1845, 1968, 2040, 2091, 2104, 2367, 2448, 2460, 2630, 2788, 2952, 3060, 3156, 3280, 3485, 3690, 3945, 4080, 4182, 4208, 4471, 4734, 4920, 5260, 5576, 5904, 6120, 6273, 6312, 6970, 7380, 7890, 8364, 8942, 9468, 9840, 10455, 10520, 10783, 11152, 11835, 12240, 12546, 12624, 13413, 13940, 14760, 15780, 16728, 17884, 18936, 20910, 21040, 21566, 22355, 23670, 25092, 26826, 27880, 29520, 31365, 31560, 32349, 33456, 35768, 37872, 40239, 41820, 43132, 44710, 47340, 50184, 53652, 53915, 55760, 62730, 63120, 64698, 67065, 71536, 80478, 83640, 86264, 89420, 94680, 97047, 100368, 107304, 107830, 125460, 129396, 134130, 160956, 161745, 167280, 172528, 178840, 183311, 189360, 194094, 201195, 214608, 215660, 250920, 258792, 268260, 321912, 323490, 357680, 366622, 388188, 402390, 431320, 485235, 501840, 517584, 536520, 549933, 643824, 646980, 733244, 776376, 804780, 862640, 916555, 970470, 1073040, 1099866, 1293960, 1466488, 1552752, 1609560, 1649799, 1833110, 1940940, 2199732, 2587920, 2749665, 2932976, 3219120, 3299598, 3666220, 3881880, 4399464, 5499330, 6599196, 7332440, 7763760, 8248995, 8798928, 10998660, 13198392, 14664880, 16497990, 21997320, 26396784, 32995980, 43994640, 65991960, 131983920]

約数ペア:

[(1, 131983920), (2, 65991960), (3, 43994640), (4, 32995980), (5, 26396784), (6, 21997320), (8, 16497990), (9, 14664880), (10, 13198392), (12, 10998660), (15, 8798928), (16, 8248995), (17, 7763760), (18, 7332440), (20, 6599196), (24, 5499330), (30, 4399464), (34, 3881880), (36, 3666220), (40, 3299598), (41, 3219120), (45, 2932976), (48, 2749665), (51, 2587920), (60, 2199732), (68, 1940940), (72, 1833110), (80, 1649799), (82, 1609560), (85, 1552752), (90, 1466488), (102, 1293960), (120, 1099866), (123, 1073040), (136, 970470), (144, 916555), (153, 862640), (164, 804780), (170, 776376), (180, 733244), (204, 646980), (205, 643824), (240, 549933), (246, 536520), (255, 517584), (263, 501840), (272, 485235), (306, 431320), (328, 402390), (340, 388188), (360, 366622), (369, 357680), (408, 323490), (410, 321912), (492, 268260), (510, 258792), (526, 250920), (612, 215660), (615, 214608), (656, 201195), (680, 194094), (697, 189360), (720, 183311), (738, 178840), (765, 172528), (789, 167280), (816, 161745), (820, 160956), (984, 134130), (1020, 129396), (1052, 125460), (1224, 107830), (1230, 107304), (1315, 100368), (1360, 97047), (1394, 94680), (1476, 89420), (1530, 86264), (1578, 83640), (1640, 80478), (1845, 71536), (1968, 67065), (2040, 64698), (2091, 63120), (2104, 62730), (2367, 55760), (2448, 53915), (2460, 53652), (2630, 50184), (2788, 47340), (2952, 44710), (3060, 43132), (3156, 41820), (3280, 40239), (3485, 37872), (3690, 35768), (3945, 33456), (4080, 32349), (4182, 31560), (4208, 31365), (4471, 29520), (4734, 27880), (4920, 26826), (5260, 25092), (5576, 23670), (5904, 22355), (6120, 21566), (6273, 21040), (6312, 20910), (6970, 18936), (7380, 17884), (7890, 16728), (8364, 15780), (8942, 14760), (9468, 13940), (9840, 13413), (10455, 12624), (10520, 12546), (10783, 12240), (11152, 11835)]